MLX4_COMM_CMD_VHCR_EN
case MLX4_COMM_CMD_VHCR_EN:
if ((slave_state[slave].last_cmd != MLX4_COMM_CMD_VHCR_EN) &&
if (mlx4_comm_cmd(dev, MLX4_COMM_CMD_VHCR_EN, dma,